Cita APA (7a ed.)

Tooley, J. (2009). The beautiful tree: A personal journey into how the world's poorest people are educating themselves. Cato Institute.

Cita Chicago Style (17a ed.)

Tooley, James. The Beautiful Tree: A Personal Journey into How the World's Poorest People Are Educating Themselves. Washington, DC: Cato Institute, 2009.

Cita MLA (9a ed.)

Tooley, James. The Beautiful Tree: A Personal Journey into How the World's Poorest People Are Educating Themselves. Cato Institute, 2009.

Precaución: Estas citas no son 100% exactas.